742-01-8
742-01-8 structure
- Name: 1,3,5-Triphenyl-4,5-dihydro-1H-pyrazole
- Chemical Name: 2,3,5-triphenyl-3,4-dihydropyrazole
- CAS Number: 742-01-8
- Molecular Formula: C21H18N2
- Molecular Weight: 298.38100
- Create Date: 2018-12-22 21:02:25
- Modify Date: 2026-08-14 12:06:28
| Name | 2,3,5-triphenyl-3,4-dihydropyrazole |
|---|---|
| Synonyms |
1,3,5-TRIPHENYL-4,5-DIHYDRO-1H-PYRAZOLE
4,5-Dihydro-1,3,5-triphenyl-1H-pyrazole 1,3,5-triphenyl-4,5-dihydro-1H-pyrazoline 1,3,5-Triphenylpyrazoline 1,3,5-Triphenyl-4,5-dihydropyrazole C.I.Solvent Violet 57:C.I Solvent Violet 57 1H-Pyrazole, 4,5-dihydro-1,3,5-triphenyl Luminor red-violet 440 RT 1,3,5-triphenyl-2-pyrazoline 2,3,5-tri(phenyl)-3,4-dihydropyrazole 1H-Pyrazole,4,5-dihydro-1,3,5-triphenyl Luminofor Red-Violet 440 RT Luminor Red-Violet 440 RT KF 440RT Luminor 8 C.I.Solvent Yellow 57:C.I 1,3,5-triphenyl-4,5-dihydropyrazole 1,3,5-TRIPHENYL-2-PYRAZOLINE Red-Violet 440 RT |
| Density | 1.09 g/cm3 |
|---|---|
| Boiling Point | 453.9ºC at 760 mmHg |
| Melting Point | 139-141ºC |
| Molecular Formula | C21H18N2 |
| Molecular Weight | 298.38100 |
| Flash Point | 228.3ºC |
| Exact Mass | 298.14700 |
| PSA | 15.60000 |
| LogP | 4.54290 |
| Index of Refraction | 1.624 |
| HS Code | 2933199090 |
|---|
| Precursor 0 | |
|---|---|
| DownStream 6 | |
![[4-(3,5-diphenyl-3,4-dihydropyrazol-2-yl)phenyl]-(4-nitrophenyl)diazene structure](https://image.chemsrc.com/caspic/205/105257-86-1.png)
![1-[4-(3,5-diphenyl-3,4-dihydropyrazol-2-yl)phenyl]ethanone structure](https://image.chemsrc.com/caspic/165/90447-34-0.png)
![1-[4-[4-(3,5-diphenylpyrazol-1-yl)phenyl]phenyl]-3,5-diphenylpyrazole structure](https://image.chemsrc.com/caspic/004/53148-57-5.png)
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |